A desulfurization device for natural gas development

Abstract

The utility model discloses a desulfurization device for natural gas exploitation, and relates to the technical field of natural gas desulfurization. The utility model includes a desulfurization barrel, a barrel cover is abutted on the upper side of the desulfurization barrel, the lower end of the bolts threadedly connected in a circular array on the upper side of the barrel cover is threadedly connected to the upper side of the desulfurization barrel, a conveying assembly is arranged on the upper side of the barrel cover, the conveying assembly includes a machine base connected to the upper side of the barrel cover, a motor is connected to the middle of the inner top side wall of the machine base, the lower end of the rotating shaft connected to the lower side of the motor passes through the middle of the barrel cover, and the spiral blades fixed to the outer side wall of the rotating shaft are located inside the desulfurization barrel; a filtering reflux assembly is arranged on the upper part of the outer side wall of the desulfurization barrel, and the filtering reflux assembly includes an internally threaded hollow cylinder connected to the upper part of the outer side wall of the desulfurization barrel. The utility model is conducive to full contact between natural gas and desulfurization liquid, making the desulfurization of natural gas more thorough, and the structure of the conveying assembly is simplified, and it is convenient to filter, purify and recycle the desulfurization liquid, which is conducive to improving the quality of the desulfurization of natural gas by recycle desulfurization liquid.

Description

Technical Field

[0001] The utility model belongs to the technical field of natural gas desulfurization, in particular to a desulfurization device for natural gas exploitation. Background Art

[0002] The activity of extracting natural gas is called natural gas extraction. Natural gas refers to a mixture of hydrocarbon and non-hydrocarbon gases stored in the bottom layer. The sulfur content in the extracted natural gas is relatively high. Direct combustion of the extracted natural gas will increase the sulfur content in the smoke, which will cause greater air pollution. Therefore, it is necessary to control the natural gas desulfurization device to separate the extracted natural gas in order to reduce the sulfur content in the natural gas.

[0003] After searching, a patent document with patent announcement number CN217449592U discloses a desulfurization device for natural gas development, including a desulfurization tank, an air intake pipe, a protective shell, a driving component, a stirring and mixing component, a spraying component, a reagent box, a circulating pump and a reagent delivery pump. The air intake pipe extends through the side wall of the desulfurization tank into the desulfurization tank, and multiple groups of air intake branches are evenly spaced on the air intake pipe. The protective shell is arranged on the side wall of the desulfurization tank, the driving component is arranged in the protective shell, the stirring and mixing component and the spraying component are both arranged in the desulfurization tank, the stirring and mixing component and the spraying component are both connected to the driving component, the spraying component is located above the stirring and mixing component, the circulating pump is arranged between the reagent box and the desulfurization tank, the reagent delivery pump is provided with a liquid inlet pipe and a liquid outlet pipe, and a gas collecting hopper is arranged on the upper part of the desulfurization tank, and the upper end of the gas collecting hopper extends through the top wall of the desulfurization tank to the outside of the desulfurization tank. It is proposed that the efficient desulfurization of natural gas is achieved through the cooperation of the stirring and mixing component and the spraying component.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The existing natural gas desulfurization device, during use, through the set driving assembly, stirring and mixing assembly and spraying assembly, makes the desulfurization liquid and the natural gas to be desulfurized evenly distributed inside the desulfurization tank, which is conducive to better contact between the natural gas and the desulfurization liquid, and is conducive to the desulfurization processing of the natural gas, but the structure is complicated, the assembly steps are increased, and the workload during assembly is increased;

[0006] 2. The existing natural gas exploitation desulfurization device uses a circulating pump to circulate the desulfurized liquid during use, but it is not convenient to purify the desulfurized liquid after use, which affects the quality of the desulfurized liquid when desulfurizing natural gas. Utility Model Content

[0007] The utility model aims to provide a desulfurization device for natural gas exploitation, which solves the problems of complicated assembly steps of the existing desulfurization device for natural gas exploitation and inconvenience in purifying and recycling the desulfurized liquid.

[0008] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0009] The utility model discloses a desulfurization device for natural gas exploitation, comprising a desulfurization barrel, a barrel cover abutting against the upper side of the desulfurization barrel, the lower ends of bolts threadedly connected in a ring-shaped array on the upper side of the barrel cover are threadedly connected to the upper side of the desulfurization barrel, a conveying assembly is arranged on the upper side of the barrel cover, the conveying assembly comprises a machine base connected to the upper side of the barrel cover, a motor is connected to the middle of the inner top side wall of the machine base, the lower end of a rotating shaft connected to the lower side of the motor passes through the middle of the barrel cover, and a spiral blade fixedly connected to the outer side wall of the rotating shaft is located inside the desulfurization barrel; a filtering reflux assembly is arranged on the upper part of the outer side wall of the desulfurization barrel, the filtering reflux assembly comprises an internally threaded hollow cylinder connected to the upper part of the outer side wall of the desulfurization barrel, a filtering hole is arranged on the outer side wall of an externally threaded slag collecting cylinder threadedly connected to the inner side of the internally threaded hollow cylinder, a side portion of a convex handle fixedly connected to the end of the externally threaded slag collecting cylinder contacts with the end of the internally threaded hollow cylinder, and a valve is connected to the reflux pipe connected to the lower side of the internally threaded hollow cylinder.

[0010] Furthermore, the upper outer portion of the rotating shaft is rotatably connected to a bearing which is interference-connected in the middle of the barrel cover, and the lower outer portion of the rotating shaft is rotatably connected to a bearing which is interference-connected in the middle of the inner bottom side wall of the desulfurization barrel.

[0011] Furthermore, a valve is symmetrically connected to the upper side of the three-way pipe connected to the lower part of the outer wall of the desulfurization barrel.

[0012] Furthermore, the end of the air intake pipe connected to one end of the three-way pipe is connected to an air extraction pump, and the side wall of the air extraction pump away from the air intake pipe is connected to a connecting pipe.

[0013] Furthermore, the end of the desulfurization liquid pipe connected to the other end of the tee is connected to a liquid pump, and the side wall of the liquid pump away from the desulfurization liquid pipe is connected to a connecting pipe.

[0014] Furthermore, the connecting pipe is communicated with the end of the return pipe away from the internally threaded hollow cylinder, and a valve is connected to a side of the return pipe close to the internally threaded hollow cylinder.

[0015] Furthermore, a valve is connected to the exhaust pipe connected to the upper side of the internally threaded hollow cylinder.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model provides a conveying assembly, which is beneficial to the full contact between the desulfurized liquid and the natural gas, and simplifies the structure of the control components for the contact between the desulfurized liquid and the natural gas, that is, the structure of the conveying assembly is simplified, thereby effectively simplifying the assembly workload of the staff.

[0018] 2. The utility model provides a filtering reflux component to facilitate filtering and purifying the desulfurized liquid after use, thereby helping to improve the purity of the recycled desulfurized liquid, thereby helping to improve the quality of the desulfurized liquid when desulfurizing natural gas, and facilitating the cleaning of waste residues inside the external threaded residue collecting barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0020] Figure 1 A three-dimensional schematic diagram of a desulfurization device for natural gas development;

[0021] Figure 2 This is a schematic diagram of the connection between the desulfurization barrel and the conveying component;

[0022] Figure 3 It is a schematic diagram of the connection between the desulfurization barrel, the rotating shaft and the spiral blade;

[0023] Figure 4 It is a connection diagram of the internal thread hollow cylinder, the convex handle and the external thread slag collecting cylinder.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Desulfurization barrel; 11. Tee pipe; 111. Valve; 12. Barrel cover; 121. Bolts; 122. Bearings; 2. Vacuum pump; 21. Air inlet pipe; 22. Connecting pipe; 3. Liquid pump; 31. Desulfurization liquid pipe; 32. Connecting pipe; 4. Filter reflux assembly; 41. Internally threaded hollow cylinder; 42. Protruding handle; 421. Externally threaded slag collection cylinder; 422. Filter hole; 43. Reflux pipe; 44. Exhaust pipe; 5. Conveying assembly; 51. Motor; 511. Machine base; 52. Rotating shaft; 53. Spiral blade. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] See also Figure 1 , 2As shown in Figure 3, the utility model is a desulfurization device for natural gas exploitation, including a desulfurization barrel 1, a barrel cover 12 is abutted on the upper side of the desulfurization barrel 1, the lower ends of the bolts 121 threadedly connected in a circular array on the upper side of the barrel cover 12 are threadedly connected to the upper side of the desulfurization barrel 1, and a conveying assembly 5 is arranged on the upper side of the barrel cover 12, and the conveying assembly 5 includes a base 511 connected to the upper side of the barrel cover 12, a motor 51 is connected to the middle of the inner top side wall of the base 511, and the lower end of the rotating shaft 52 connected to the lower side of the motor 51 passes through the middle of the barrel cover 12, and the spiral blade 53 fixed to the outer side wall of the rotating shaft 52 is located inside the desulfurization barrel 1, which effectively simplifies the structure of the control components for the contact between the desulfurization liquid and the natural gas, thereby effectively simplifying the assembly steps, thereby reducing the assembly workload of the staff, and is conducive to the full contact reaction between the desulfurization liquid and the natural gas, thereby facilitating the improvement of the desulfurization quality of the natural gas;

[0028] Among them Figure 2 As shown, the upper outer portion of the rotating shaft 52 is rotatably connected to the bearing 122 which is interference-connected in the middle of the barrel cover 12, and the lower outer portion of the rotating shaft 52 is rotatably connected to the bearing 122 which is interference-connected in the middle of the inner bottom side wall of the desulfurization barrel 1. The existence of the bearing 122 is conducive to smoother rotation of the rotating shaft 52 and effectively reduces the wear between the rotating shaft 52, the barrel cover 12 and the desulfurization barrel 1;

[0029] Among them Figure 1 As shown, a valve 111 is symmetrically connected to the upper side of the three-way pipe 11 connected to the lower part of the outer wall of the desulfurization barrel 1, so as to facilitate the introduction of the natural gas to be desulfurized and the desulfurized liquid into the desulfurization barrel 1;

[0030] The end of the air inlet pipe 21 connected to one end of the tee pipe 11 is connected to the air pump 2, and the side wall of the air pump 2 away from the air inlet pipe 21 is connected to a connecting pipe 22, so as to facilitate the introduction of natural gas into the tee pipe 11;

[0031] The end of the desulfurization liquid pipe 31 connected to the other end of the tee pipe 11 is connected to a liquid pump 3, and the side wall of the liquid pump 3 away from the desulfurization liquid pipe 31 is connected to a connecting pipe 32, so as to facilitate the introduction of the desulfurization liquid into the tee pipe 11;

[0032] When the above arrangement is used, the valve 111 on the three-way pipe 11 is opened, and the staff starts the motor 51, the shaft 52 rotates, the spiral blade 53 rotates, and the vacuum pump 2 and the liquid pump 3 are started to introduce the natural gas to be desulfurized and the desulfurized liquid into the three-way pipe 11. The natural gas and the desulfurized liquid in the three-way pipe 11 are in contact, that is, the desulfurization treatment of the natural gas is achieved. The natural gas and the desulfurized liquid entering the desulfurization barrel 1 move upward with the rotating spiral blade 53. In this process, the natural gas and the desulfurized liquid continue to contact and react, that is, the natural gas continues to be desulfurized.

[0033] Among them Figure 1 , 4As shown, a filter reflux assembly 4 is provided on the upper part of the outer wall of the desulfurization barrel 1, and the filter reflux assembly 4 includes an internally threaded hollow cylinder 41 connected to the upper part of the outer wall of the desulfurization barrel 1, and a filter hole 422 is provided on the outer wall of an externally threaded slag collecting cylinder 421 threadedly connected to the inner part of the internally threaded hollow cylinder 41, and the side of the convex handle 42 fixed to the end of the externally threaded slag collecting cylinder 421 contacts the end of the internally threaded hollow cylinder 41, and a valve 111 is connected to the reflux pipe 43 connected to the lower side of the internally threaded hollow cylinder 41, so as to facilitate filtering the desulfurization liquid after use and reintroducing the filtered desulfurization liquid into the interior of the three-way pipe 11 for use, thereby effectively improving the purity of the recycled desulfurization liquid and facilitating the desulfurization liquid to better desulfurize natural gas;

[0034] Among them Figure 1 As shown, the connecting pipe 32 is connected to the end of the return pipe 43 away from the internal thread hollow cylinder 41, and the side of the return pipe 43 close to the internal thread hollow cylinder 41 is connected to a valve 111, which facilitates the filtered desulfurization liquid to flow back into the connecting pipe 32, thereby facilitating the collection and reuse of the desulfurization liquid;

[0035] The exhaust pipe 44 connected to the upper side of the internally threaded hollow cylinder 41 is connected to a valve 111 to facilitate the discharge of the desulfurized natural gas;

[0036] When the above-mentioned arrangement is used, the valve 111 on the exhaust pipe 44 and the reflux pipe 43 is opened, and after the natural gas and the desulfurized liquid move upward to be aligned with the internal threaded hollow cylinder 41, the natural gas and the desulfurized liquid enter the external threaded slag collecting cylinder 421, and the desulfurized natural gas passes through the filter hole 422 on the external threaded slag collecting cylinder 421 to enter the exhaust pipe 44 for discharge, and the desulfurized liquid passes through the filter hole 422 to enter the reflux pipe 43 and reflux into the connecting pipe 32; the staff turns the cam 42 clockwise, and the external threaded slag collecting cylinder 421 rotates clockwise and gradually moves out of the internal threaded hollow cylinder 41. After the external threaded slag collecting cylinder 421 is disassembled, the waste slag inside the external threaded slag collecting cylinder 421 is cleaned, and vice versa, the external threaded slag collecting cylinder 421 is reconnected to the internal threaded hollow cylinder 41.

[0037] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A desulfurization device for natural gas exploitation, comprising a desulfurization barrel (1), the upper side of the desulfurization barrel (1) being abutted against a barrel cover (12), the lower ends of bolts (121) threadedly connected in an annular array on the upper side of the barrel cover (12) being threadedly connected to the upper side of the desulfurization barrel (1), characterized in that: A conveying assembly (5) is arranged on the upper side of the barrel cover (12), and the conveying assembly (5) includes a machine base (511) connected to the upper side of the barrel cover (12), a motor (51) is connected to the middle of the inner top side wall of the machine base (511), the lower end of a rotating shaft (52) connected to the lower side of the motor (51) passes through the middle of the barrel cover (12), and a spiral blade (53) fixed to the outer side wall of the rotating shaft (52) is located inside the desulfurization barrel (1); A filtering reflux assembly (4) is provided on the upper part of the outer wall of the desulfurization barrel (1), and the filtering reflux assembly (4) includes an internally threaded hollow cylinder (41) connected to the upper part of the outer wall of the desulfurization barrel (1), and a filtering hole (422) is provided on the outer wall of an externally threaded slag collecting cylinder (421) which is internally threadedly connected to the internally threaded hollow cylinder (41), and a side portion of a cam (42) fixed to the end of the externally threaded slag collecting cylinder (421) contacts the end of the internally threaded hollow cylinder (41), and a valve (111) is connected to the reflux pipe (43) connected to the lower side of the internally threaded hollow cylinder (41).

2. A desulfurization device for natural gas exploitation according to claim 1, characterized in that: The upper outer portion of the rotating shaft (52) is rotatably connected to a bearing (122) which is interference-connected in the middle of the barrel cover (12), and the lower outer portion of the rotating shaft (52) is rotatably connected to a bearing (122) which is interference-connected in the middle of the inner bottom side wall of the desulfurization barrel (1).

3. A desulfurization device for natural gas exploitation according to claim 2, characterized in that: A valve (111) is symmetrically connected to the upper side of the three-way pipe (11) connected to the lower part of the outer wall of the desulfurization barrel (1).

4. A desulfurization device for natural gas exploitation according to claim 3, characterized in that: The end of the air intake pipe (21) connected to one end of the three-way pipe (11) is connected to an air extraction pump (2), and the side wall of the air extraction pump (2) away from the air intake pipe (21) is connected to a connecting pipe (22).

5. A desulfurization device for natural gas exploitation according to claim 4, characterized in that: The end of the desulfurization liquid pipe (31) connected to the other end of the three-way pipe (11) is connected to a liquid pump (3), and the side wall of the liquid pump (3) away from the desulfurization liquid pipe (31) is connected to a connecting pipe (32).

6. A desulfurization device for natural gas exploitation according to claim 5, characterized in that: The connecting pipe (32) is in communication with the end of the return pipe (43) away from the internally threaded hollow cylinder (41), and a valve (111) is connected to the side of the return pipe (43) close to the internally threaded hollow cylinder (41).

7. A desulfurization device for natural gas exploitation according to claim 6, characterized in that: The exhaust pipe (44) connected to the upper side of the internally threaded hollow cylinder (41) is connected to a valve (111).

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